Flat Bottom Coffee Pouch suppliers Standard size: 150g, 250g, 340g, 500g, 1kg Material: MOPP+PET/PE Thickness: 280 microns or customized. Logo: Can be customized printing Colors: black, white, red, blue, golden, silvery, transparent The flat bottom gusset coffee bag is with zip lock, with valve or without valve. It can be customized printing. Available sealing machine to seal, it鈥檚 good...